225g self-raising flour
1 tsp baking powder
1½ tsp ground cinnamon
½ ground ginger
¼ tsp salt
180g grated carrot
4 medium eggs
1 tsp vanilla extract
50g light brown sugar
180g golden caster sugar
250ml vegetable oil
50g walnuts, chopped
For the cream cheese frosting
300g cream cheese
100g butter, soft
200g icing sugar
1 dsp custard powder
1 tbsp milk
For the decoration
White fondant icing
Green and orange food colouring
25g walnuts